util.cmake

# Some common routine for paddle compile.

# target_circle_link_libraries
# Link libraries to target which has circle dependencies.
#
# First Argument: target name want to be linked with libraries
# Rest Arguments: libraries which link together.
function(target_circle_link_libraries TARGET_NAME)
  if(APPLE)
    set(LIBS)
    set(inArchive OFF)
    set(libsInArgn)

    foreach(arg ${ARGN})
      if(${arg} STREQUAL "ARCHIVE_START")
        set(inArchive ON)
      elseif(${arg} STREQUAL "ARCHIVE_END")
        set(inArchive OFF)
      else()
        if(inArchive)
          list(APPEND LIBS "-Wl,-force_load")
        endif()
        list(APPEND LIBS ${arg})
        list(APPEND libsInArgn ${arg})
      endif()
    endforeach()
    if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" OR "${CMAKE_CXX_COMPILER_ID}"
                                                      STREQUAL "AppleClang")
      if(NOT IOS_ENABLE_BITCODE)
        list(APPEND LIBS "-undefined dynamic_lookup")
      endif()
    endif()
    list(REVERSE libsInArgn)
    target_link_libraries(${TARGET_NAME} ${LIBS} ${libsInArgn})

  else() # LINUX
    set(LIBS)

    foreach(arg ${ARGN})
      if(${arg} STREQUAL "ARCHIVE_START")
        list(APPEND LIBS "-Wl,--whole-archive")
      elseif(${arg} STREQUAL "ARCHIVE_END")
        list(APPEND LIBS "-Wl,--no-whole-archive")
      else()
        list(APPEND LIBS ${arg})
      endif()
    endforeach()

    target_link_libraries(${TARGET_NAME} "-Wl,--start-group" ${LIBS}
                          "-Wl,--end-group")
  endif()
endfunction()